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physical object > natural object > celestial body > asteroid > Trojan asteroid > Achilles
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Achilles comparison table
Subject is a kind of is an instance of has orbital period has discovery date has inclination has semi-major axi has definition has asteroid number has eccentricity
Trojan asteroidasteroid     Asteroid located at the points of Jupiter's orbit around the Sun that are equidistant from the Sun and Jupiter. About 15 are now known.  
Achilles Trojan asteroidP = 11.98 yr1906i = 10°.3a = 5.2 AUTrojan asteroid (60°) ahead of Jupiter. It was the first Trojan to be discovered.588e = 0.15

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